private static int GetDbQtyBykeyType(Tuple <int, int, int> tupleSource, CounterKeyType keyType, string deviceId)
{
switch (keyType)
{
case CounterKeyType.UserIdKey:
return(tupleSource.Item1);
case CounterKeyType.DeviceIdKey: //设备号不存在情况下特殊处理
if (string.IsNullOrEmpty(deviceId))
{
return(tupleSource.Item1);
}
else
{
return(tupleSource.Item2);
}
case CounterKeyType.UserTelKey:
return(tupleSource.Item3);
default:
return(0);
}
}
public static async Task <SimpleResponseModel> RedisCounterRecord(string key, LimitType type, CounterKeyType keyType, OrderItems item,
Guid userId = new Guid(), string deviceId = null, string userTel = null, List <string> pids = null,
int dbQuantity = 0)
{
Logger.Info($"计数器Key=>{key}增加{item.Num}");
using (var client = CacheHelper.CreateCounterClient(ClientName, TimeSpan.FromDays(30)))
{
var recordCache = await client.CountAsync(key); //这里跟hashclient一点咯要区分开，这里key不存在会报错
double retryresult = 0;
IResult <long> increment;
var tupleReult = new Tuple <int, int, int>(0, -1, -1);
var incrementNum = 0;
var quantity = dbQuantity;
if (!recordCache.Success)
{
if (recordCache.Message == "Key不存在") //暂时写死错误信息，后面如果底层针对这种情况有固定errorcode返回修改下
{
if (dbQuantity == -1)
{
switch (type)
{
case LimitType.PlaceLimit:
if (item.ActivityId != null)
{
tupleReult = await DalFlashSale.SelectOrderActivityProductRecordNumAsync(
userId, deviceId,
string.IsNullOrEmpty(item.AllPlaceLimitId)?item.ActivityId.Value : new Guid(item.AllPlaceLimitId), userTel, pids);
quantity = GetDbQtyBykeyType(tupleReult, keyType, deviceId);
}
break;
case LimitType.PersonalLimit:
if (item.ActivityId != null)
{
tupleReult = await DalFlashSale.SelectOrderActivityProductRecordNumAsync(userId, deviceId,
item.ActivityId.Value, userTel, new List <string>
{
item.PID
});
quantity = GetDbQtyBykeyType(tupleReult, keyType, deviceId);
}
break;
case LimitType.AllPlaceLimit:
if (item.ActivityId != null)
{
tupleReult = await DalFlashSale.SelectAllPlaceOrderActivityProductRecordNumAsync(
userId, deviceId, new Guid(item.AllPlaceLimitId), userTel, pids);
quantity = GetDbQtyBykeyType(tupleReult, keyType, deviceId);
}
break;
}
}
increment = await client.IncrementAsync(key, quantity + item.Num);
incrementNum = quantity + item.Num;
}
else
{
Logger.Error($"redis计数记录失败=>CheckFlashSaleAsync{key}");
return(new SimpleResponseModel
{
Code = CheckFlashSaleStatus.CreateOrderFailed,
Mesage = "计数器执行失败"
});
}
}
else
{
increment = await client.IncrementAsync(key, item.Num);
incrementNum = item.Num;
}
if (!increment.Success) //失败情况后续考虑
{
retryresult = await RedisCountRetry(() => client.IncrementAsync(key, incrementNum));
if (retryresult < 0)
{
Logger.Error($"redis计数记录失败=>CheckFlashSaleAsync{key}");
return(new SimpleResponseModel
{
Code = CheckFlashSaleStatus.CreateOrderFailed,
Mesage = "计数器执行失败"
});
}
}
return(new SimpleResponseModel
{
Code = CheckFlashSaleStatus.Succeed,
Record = (int)(increment.Success ? increment.Value : retryresult),
Mesage = "成功",
//DbQuantity = quantity,
DeviceCount = tupleReult.Item2,
TelCount = tupleReult.Item3
});
}
}